Mazda 6 2007 Owner's Manual page 324

Maintenance and Care
Appearance Care
Cleaning the Window Interiors
If the windows become covered with an
oily, greasy, or waxy film, clean them
with glass cleaner. Follow the directions
on the container.
CAUTION
Don't scrape or scratch the inside of the
rear window. You may damage the rear
window defroster grid.
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